of the other high-level officials within al qaeda and obviously this drone campaign been ongoing in pakistan and some cases yemen, we've taken out something like 1200 fighters from al qaeda including senior leaders. jon: right. >> this is all good news. but again the ideology of radical islam lives on and so do these affiliate groups. that is the challenge ahead of us. jon: if you take out those leaders, and we have been very successful in doing that, if you take out people who have experience going back to the russian-afghan war, take out the people who know how to motivate and organization and maybe build a bomb be, pretty soon you're left with bunch of 18, 20-year-old kids who may have the desire but don't necessarily have the knowledge to continue terrorism campaign? >> well, you know i think you could make that argument but you could also argue you have a number of people who gained experience in afghanistan. people who have gained experience and by the way, fighting in this more recent war, not in the war in the 1980s against the soviets. but rather fighting against the united states a